Introduction

Follow the steps in this guide to upgrade or replace the SATA hard drive in a iMac Intel 21.5" EMC 3068. Note that if you are upgrading your drive, you will need to clone your existing hard drive onto the replacement prior to performing this upgrade to keep your files and operating system.

Some images in this guide use a 2015 iMac, which has minor visual differences. These differences do not affect the repair procedure.

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Starting on the left of the display, near the power button, insert the iMac Opening Tool into the gap between the glass panel and the rear enclosure.

The hub on the iMac Opening Tool will keep you from pushing the wheel in too far. If using a different tool, insert no more than 3/8" into the display. Otherwise, you risk severing antenna cables and causing serious damage.

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At this point there is still a strip of adhesive along the bottom of the display that will hold the display to the frame like a hinge. You can loosen this adhesive by working the display up and down a few times.